Caves famous for the dragon-slaying saint who lived there.

Its collection offers a glimpse into the Russian Old Believers' centuries-old way of life.

Founded in the 4th-century, the town of Pernik plays host to the Surva Carnival⁠—a magnificent display of masked Kukeri dancers.

This Transylvanian church has changed its denomination four times.

This snug medieval lane is one of the narrowest streets in the world.

Wind power station for making famous Ketel One vodka.

This Spanish shoe museum has history, has design, and has a pair of Rafael Nadal's tennies!

The discovery of these rare, ancient artifacts led to the creation of a new museum.

These wooden balconies that are both decorative and functional.

Sanctuary on a ridge near an ancient shrine to a "Black Madonna" built by the founder of Opus Dei.

This Arab fortress was once the largest citadel in Western Europe.

This enormous censer uses a pulley system installed over 400 years ago.

An abandoned socialist utopia built in the late 19th century.